The Gear,spur, cataloged under National Stock Number 3020-00-752-7884, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-752-7884 |
| Primary Part Number | 7527884 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Nominal Diameter | 4.373 INCHES BOTH ENDS IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Supplementary Features | STEEL,MIL-S-13084,FS-4617,FS4620,FS-4812,FS-4815 |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH |
| Style Designator | HUBLESS |
| Pitch Diameter | 6.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 6.845 INCHES IN |
| Surface Treatment | COPPER OVERALL |
| Pressure Angle | 28.0000 DEGREES |
| Face Nominal Width | 3.000 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7527884 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-752-7884 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-752-7884 has 1 manufacturer part number on file: 7527884 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-706-4224. Verify interchangeability with system specifications before substitution.
Key specifications for 7527884: Bore Nominal Diameter: 4.373 INCHES BOTH ENDS IN; Teeth Quantity: 25; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.